DISPLAY DEVICE, DISPLAY METHOD AND VEHICLE

According to one embodiment, a display apparatus includes an image projection unit, a first emitter and a second emitter. The image projection unit is configured to project a luminous flux including an image toward a viewer. The first emitter is configured to emit a first marker light. The first emitter is set along an advance direction of the luminous flux. The second emitter is configured to emit a second marker light. The second emitter is set at a side nearer to the viewer than the first emitter along the advance direction.